public static void DeleteInstance()
{
if (instance != null)
{
instance = null;
}
}
public static TabbedPageViewModel GetInstance()
{
if (instance == null)
{
instance = new TabbedPageViewModel();
}
return(instance);
}
public static LoginViewModel GetInstance()
{
if (instance == null)
{
instance = new LoginViewModel();
}
return(instance);
}
